Home / 31,996.28-48,006.90-13,271.58

Finding the Fourth Proportional to 31,996.28, 48,006.90 and 13,271.58

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Solution

The fourth proportional to 31,996.28, 48,006.90 and 13,271.58 is: 19,912.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,996.28 : 48,006.90 = 13,271.58 : x
  2. Step 2: Convert to fraction form
    31,996.28/48,006.90 = 13,271.58/x
  3. Step 3: Cross multiply
    31,996.28x = 48,006.90 × 13,271.58
  4. Step 4: Simplify right side
    31,996.28x = 637,127,413.90
  5. Step 5: Solve for x
    x = 637,127,413.90/31,996.28
  6. Step 6: Final answer
    x = 19,912.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.